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From BlueFox <>
Subject DefaultMessageListenerContainer and 5.1
Date Thu, 08 May 2008 19:46:03 GMT

Hi I just upgraded to 5.1 and there seems to be a very weird behavior
regarding the message redelivery.
Before upgrade to 5.1, I had the Spring 2.5.3 and 5.0 running fine with the
following setup.
1. I have a single producer sending and recording 100 persistent messages to
a queue.
2. maximumRedeliveries for message is set to -1
3. I use Spring DefaultMessageListenerContainer (sessionTransacted = true)
to create a single exclusive consumer on the queue, and session.rollback();
is randomly called to simulate transaction failure.
4. When the queue size reaches 0, I verify that all 100 messages are
correctly received and in order.

Everything was working fine in 5.0, but in 5.1, I noticed that duplicate
messages were received. However, if I change the cacheLevelName on the
DefaultMessageListenerContainer from the default CACHE_CONSUMER to anything
else, the test then runs fine. However, since I also have exponential
backoff implemented for redelivery, changing the cache level will render the
policy useless since the connection & session are recreated by the

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